Celebrities of the big screen gather for a rock concert in swinging London. Featured acts are Pink Floyd, Immediate Records, The Rolling Stones, Eric Burdon and The New Animals, The Small Faces, and Chris Farlowe. On hand to watch the show… MoreCelebrities of the big screen gather for a rock concert in swinging London. Featured acts are Pink Floyd, Immediate Records, The Rolling Stones, Eric Burdon and The New Animals, The Small Faces, and Chris Farlowe. On hand to watch the show are Michael Caine, Lee Marvin, Andrew Loog Oldham, David Hockney, Julie Christie, and Vanessa Redgrave.